INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39a2cd562973725b2d71d720d9fd0bd4816f4c98504946679c2f4ef388ae2252', 
    '2REtWnmU4n7BF6A7PgSlSsVUHtxmGAV9bJExrktCOVs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)